32 lines
676 B
Go
32 lines
676 B
Go
package main
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import (
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"net"
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"net/http"
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"strings"
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metrics "github.com/docker/go-metrics"
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"github.com/sirupsen/logrus"
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)
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func startMetricsServer(addr string) error {
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if addr == "" {
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return nil
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}
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if err := allocateDaemonPort(addr); err != nil {
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return err
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}
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l, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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mux := http.NewServeMux()
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mux.Handle("/metrics", metrics.Handler())
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go func() {
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logrus.Infof("metrics API listening on %s", l.Addr())
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if err := http.Serve(l, mux); err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
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logrus.WithError(err).Error("error serving metrics API")
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}
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}()
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return nil
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}
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